/* Shared styles for topic pages (/php2shell/, /bitrix-php/ ...). Tokens mirror the landing page. */
:root {
  --paper: #F1F4F8; --surface: #FFFFFF; --ink: #13203A; --muted: #52607A; --line: #D5DDE8;
  --accent: #0B7A99; --accent-ink: #FFFFFF; --accent-soft: #E0F1F6;
  --term-bg: #0F1B33; --term-fg: #D6E2F0; --term-dim: #7F93B2;
  --crit: #C2261B; --crit-soft: #FBE7E5; --warn: #9A5A00; --warn-soft: #FBF0DC; --ok: #1D7A4A; --ok-soft: #E1F2E8;
  --f-display: "Geologica", "Segoe UI", system-ui, sans-serif;
  --f-body: "Golos Text", "Segoe UI", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0B1426; --surface: #121D34; --ink: #E4EAF3; --muted: #98A6BE; --line: #24324D;
    --accent: #4CC6E4; --accent-ink: #0B1426; --accent-soft: #13314A;
    --term-bg: #060C1A; --term-fg: #D6E2F0; --term-dim: #7488A8;
    --crit: #FF7D70; --crit-soft: #3A1715; --warn: #F0B04A; --warn-soft: #33260E; --ok: #5FD394; --ok-soft: #10301F;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0B1426; --surface: #121D34; --ink: #E4EAF3; --muted: #98A6BE; --line: #24324D;
  --accent: #4CC6E4; --accent-ink: #0B1426; --accent-soft: #13314A;
  --term-bg: #060C1A; --term-fg: #D6E2F0; --term-dim: #7488A8;
  --crit: #FF7D70; --crit-soft: #3A1715; --warn: #F0B04A; --warn-soft: #33260E; --ok: #5FD394; --ok-soft: #10301F;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.65 var(--f-body); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.band { padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.wrap { max-width: 46rem; margin: 0 auto; }

header.band { background: var(--surface); border-bottom: 1px solid var(--line); padding-block: .9rem; }
header .wrap { max-width: 72rem; display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.logo { display: flex; align-items: center; gap: .55rem; text-decoration: none; color: var(--ink); font: 800 1.1rem/1.15 var(--f-display); }
.logo img { width: 2.3rem; height: 2.3rem; }
.logo small { display: block; font: 400 .7rem var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
.btn { display: inline-flex; align-items: center; justify-content: center; font: 600 .95rem/1 var(--f-body); padding: .85rem 1.2rem; border-radius: 8px; text-decoration: none; background: var(--accent); color: var(--accent-ink); }
.btn:hover { filter: brightness(1.08); }

main.band { padding-block: clamp(2rem, 5vw, 3.5rem); }
article { display: grid; gap: 1.15rem; }
.crumbs { font: .8rem var(--f-mono); color: var(--muted); display: flex; gap: .4rem; flex-wrap: wrap; }
.crumbs a { color: var(--muted); }
h1, h2 { font-family: var(--f-display); line-height: 1.15; text-wrap: balance; margin: 0; }
h1 { font-size: clamp(1.9rem, 4.5vw, 2.7rem); font-weight: 800; letter-spacing: -.015em; }
h2 { font-size: 1.45rem; font-weight: 700; margin-top: 1.2rem; }
p, ul, ol { margin: 0; }
ul, ol { padding-left: 1.3rem; display: grid; gap: .45rem; }
.lead { font-size: 1.12rem; color: var(--muted); }
.meta { font: .8rem var(--f-mono); color: var(--muted); }
code { font-family: var(--f-mono); font-size: .88em; background: var(--accent-soft); padding: .05rem .35rem; border-radius: 4px; }

.table { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
table { border-collapse: collapse; width: 100%; font-size: .93rem; }
th, td { text-align: left; padding: .75rem .9rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font: 600 .75rem var(--f-mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
tr:last-child td { border-bottom: 0; }
td.mono { font-family: var(--f-mono); white-space: nowrap; }

.help { border-left: 3px solid var(--accent); background: var(--surface); padding: 1rem 1.2rem; border-radius: 0 10px 10px 0; }
.help b { color: var(--accent); }

.cta { margin-top: 1.5rem; background: var(--term-bg); color: var(--term-fg); border-radius: 14px; padding: clamp(1.25rem, 4vw, 2rem); display: grid; gap: .9rem; }
.cta h2 { margin: 0; color: var(--term-fg); }
.cta p { color: var(--term-dim); }
.cta-actions { display: flex; flex-wrap: wrap; gap: .75rem 1.25rem; align-items: center; }
.cta-actions .phone { color: var(--term-fg); font: 600 1rem var(--f-mono); text-decoration: none; }

.related { display: grid; gap: .5rem; margin-top: 1rem; padding-top: 1.25rem; border-top: 1px solid var(--line); }
.related b { font: 600 .8rem var(--f-mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.related ul { list-style: none; padding: 0; }

footer.band { border-top: 1px solid var(--line); background: var(--surface); padding-block: 1.75rem; font-size: .85rem; color: var(--muted); }
footer .wrap { max-width: 72rem; }